# A090572 (b-file synthesized from sequence entry)
0 1
1 3
2 6
3 12
4 24
5 48
6 93
7 180
8 351
9 675
10 1191
11 1963
12 3015
13 3772
14 3732
15 2837
16 1589
17 572
18 78
19 18